DE112014005886T5 - Spule zur Abschirmung gegen elektromagnetische Störungen für ein MR-Bildgebungssystem - Google Patents

Spule zur Abschirmung gegen elektromagnetische Störungen für ein MR-Bildgebungssystem Download PDF

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Publication number
DE112014005886T5
DE112014005886T5 DE112014005886.6T DE112014005886T DE112014005886T5 DE 112014005886 T5 DE112014005886 T5 DE 112014005886T5 DE 112014005886 T DE112014005886 T DE 112014005886T DE 112014005886 T5 DE112014005886 T5 DE 112014005886T5
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DE
Germany
Prior art keywords
magnetic field
switch
coil
branch line
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE112014005886.6T
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German (de)
English (en)
Inventor
Zhenyu Zhang
Weijun Shen
Timothy John Havens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE112014005886T5 publication Critical patent/DE112014005886T5/de
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE112014005886.6T 2013-12-23 2014-12-17 Spule zur Abschirmung gegen elektromagnetische Störungen für ein MR-Bildgebungssystem Withdrawn DE112014005886T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310717957.3A CN104730475B (zh) 2013-12-23 2013-12-23 一种磁场调整系统和方法以及磁共振成像系统
CN201310717957.3 2013-12-23
PCT/US2014/070834 WO2015100103A1 (en) 2013-12-23 2014-12-17 Electro magnetic interference shielding coil for an mri system

Publications (1)

Publication Number Publication Date
DE112014005886T5 true DE112014005886T5 (de) 2016-10-06

Family

ID=52345553

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112014005886.6T Withdrawn DE112014005886T5 (de) 2013-12-23 2014-12-17 Spule zur Abschirmung gegen elektromagnetische Störungen für ein MR-Bildgebungssystem

Country Status (7)

Country Link
US (1) US10156620B2 (ko)
JP (1) JP6560680B2 (ko)
KR (1) KR102290714B1 (ko)
CN (1) CN104730475B (ko)
DE (1) DE112014005886T5 (ko)
GB (1) GB2536181B (ko)
WO (1) WO2015100103A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11948736B2 (en) 2022-04-06 2024-04-02 GE Precision Healthcare LLC Superconducting magnet systems and methods for making superconducting magnet systems having two-stage quenching

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5918618A (ja) * 1982-07-21 1984-01-31 Mitsubishi Electric Corp 超電導マグネツト
JPH0732096B2 (ja) * 1983-02-28 1995-04-10 株式会社日立製作所 超電導装置
JPH02260403A (ja) * 1989-03-31 1990-10-23 Mitsubishi Electric Corp 超電導電磁石
US6307370B1 (en) * 1999-07-02 2001-10-23 Bruker Ag Active shielded superconducting assembly with improved compensation of magentic field disturbances
DE19940694C1 (de) * 1999-08-27 2001-07-26 Bruker Ag Faellanden Aktiv abgeschirmte supraleitende Magnetanordnung mit Z·2·-Shim
US6456076B1 (en) * 2001-01-31 2002-09-24 The Trustees Of The University Of Pennsylvania Z gradient shielding coil for canceling eddy currents
US6646836B2 (en) * 2001-03-01 2003-11-11 Kabushiki Kaisha Kobe Seiko Sho Superconducting magnet apparatus in persistent mode
DE10227877B4 (de) * 2002-06-22 2006-11-09 Bruker Biospin Ag Aktiv abgeschirmte, supraleitende Magnetanordnung mit einer Vorrichtung zur zusätzlichen Streufeldoptimierung
DE10227876B4 (de) * 2002-06-22 2006-11-09 Bruker Biospin Ag Aktiv abgeschirmte, supraleitende Magnetanordnung mit verbesserter Streufeldkompensation
JP4293341B2 (ja) * 2003-03-05 2009-07-08 株式会社神戸製鋼所 超電導マグネット装置
DE102004007291B4 (de) * 2004-02-14 2006-09-21 Bruker Biospin Gmbh Hybrid-Magnetanordnung
US7135948B2 (en) * 2004-10-05 2006-11-14 Florida State University Research Foundation, Inc. Dipole shim coil for external field adjustment of a shielded superconducting magnet
US7098663B1 (en) * 2005-03-18 2006-08-29 Timothy James Hollis Systems, methods and apparatus of an actively shielded superconducting magnet drift compensation coil
GB2426059B (en) * 2005-05-11 2009-12-23 Gen Electric Apparatus and method for generating magnetic fields for magnetic resonance imaging
US7579838B2 (en) * 2005-11-18 2009-08-25 General Electric Company Systems, methods and apparatus for a partially elongated field of view in a magnetic resonance imaging system
CN202870284U (zh) * 2012-07-26 2013-04-10 宁波鑫高益磁材有限公司 用于磁共振成像永磁体的有源匀场系统
WO2016090454A1 (en) * 2014-12-09 2016-06-16 Synaptive Medical (Barbados) Inc. System and method for electromagnet coil construction and operation
WO2016174498A1 (en) * 2015-04-27 2016-11-03 Synaptive Medical (Barbados) Inc. Adaptive electromagnet for high performance magnetic resonance imaging

Also Published As

Publication number Publication date
GB201612156D0 (en) 2016-08-24
KR20160102451A (ko) 2016-08-30
GB2536181A (en) 2016-09-07
US10156620B2 (en) 2018-12-18
CN104730475A (zh) 2015-06-24
WO2015100103A1 (en) 2015-07-02
CN104730475B (zh) 2020-07-07
JP6560680B2 (ja) 2019-08-14
GB2536181B (en) 2021-02-03
US20160341805A1 (en) 2016-11-24
KR102290714B1 (ko) 2021-08-19
JP2017502751A (ja) 2017-01-26

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